/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.iotdb.consensus.common.response;

import org.apache.iotdb.common.rpc.thrift.TSStatus;
import org.apache.iotdb.consensus.exception.ConsensusException;
import org.apache.iotdb.rpc.TSStatusCode;

public class ConsensusWriteResponse extends ConsensusResponse {

    private final TSStatus status;

    public ConsensusWriteResponse(ConsensusException exception, TSStatus status) {
        super(exception);
        this.status = status;
    }

    public TSStatus getStatus() {
        return status;
    }

    @Override
    public String toString() {
        return "ConsensusWriteResponse{" + "status=" + status + "} " + super.toString();
    }

    public boolean isSuccessful() {
        return status != null && status.getCode() == TSStatusCode.SUCCESS_STATUS.getStatusCode();
    }

    public String getErrorMessage() {
        if (status != null && status.message != null && status.message.length() > 0) {
            return status.message;
        }
        if (exception != null
                && exception.getMessage() != null
                && exception.getMessage().length() > 0) {
            return exception.getMessage();
        }
        return "unknown error message";
    }

    public static ConsensusWriteResponse.Builder newBuilder() {
        return new ConsensusWriteResponse.Builder();
    }

    public static class Builder {
        private TSStatus status;
        private ConsensusException exception;

        public ConsensusWriteResponse build() {
            return new ConsensusWriteResponse(exception, status);
        }

        public Builder setException(ConsensusException exception) {
            this.exception = exception;
            return this;
        }

        public Builder setStatus(TSStatus status) {
            this.status = status;
            return this;
        }
    }
}
